<h2>Controls</h2>

<h3>Chromatogram Overlay</h3>
<table border="1" cellpadding="10" cellspacing="0" summary="Chromatogram Overlay Hotkeys">
  <tr>
    <td><kbd>Shift</kbd> + left mouse click</td>
    <td>Draw a rectangle from the top-left to zoom in.</td>
  </tr>
  <tr>
    <td><kbd>Ctrl</kbd> + left mouse click</td>
    <td>Draw a line to measure distance displayed in the ruler toolbar.</td>
  </tr>
  <tr>
    <td><kbd>Ctrl</kbd> + left mouse double click</td>
    <td>Select a chromatogram (highlighted with a bold line).</td>
  </tr>
  <tr>
    <td><kbd>Ctrl</kbd> + <kbd>Shift</kbd> + left mouse drag</td>
    <td>Move the chromatogram around freely.</td>
  </tr>
  <tr>
    <td><kbd>Ctrl</kbd> + <kbd>Alt</kbd> + left mouse click</td>
    <td>Hide the chromatogram.</td>
  </tr>
</table>